Home / 64,712.13-89,287.97-36,407.49

Finding the Fourth Proportional to 64,712.13, 89,287.97 and 36,407.49

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Solution

The fourth proportional to 64,712.13, 89,287.97 and 36,407.49 is: 50,234.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,712.13 : 89,287.97 = 36,407.49 : x
  2. Step 2: Convert to fraction form
    64,712.13/89,287.97 = 36,407.49/x
  3. Step 3: Cross multiply
    64,712.13x = 89,287.97 × 36,407.49
  4. Step 4: Simplify right side
    64,712.13x = 3,250,750,692.86
  5. Step 5: Solve for x
    x = 3,250,750,692.86/64,712.13
  6. Step 6: Final answer
    x = 50,234.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.